We examine the role of teachers and students in the formation of test scores at the higher secondary level (grade 12) in public schools in Delhi, India. Using the value added approach, we find substantial variation in teacher and student quality within schools: over the period spanning grades 11...

We examine the role of teachers and students in the formation of grade 12 test scores in public schools in Delhi. There is substantial variation in teacher and student quality within schools. Over the period spanning grades 11 and 12, being taught by a standard deviation better than average...